A nurse is collecting data from a client about range-of-motion for various joints. Which of the following should the nurse identify as an example of a ball and socket joint?
Ankle
Shoulder
Knee
Metacarpophalangeal
The Correct Answer is B
A. Ankle is incorrect. The ankle is a hinge joint, which allows for movement in one plane (up and down), not the multidirectional movement characteristic of a ball and socket joint.
B. Shoulder is correct. The shoulder joint is a ball and socket joint. This type of joint allows for movement in multiple directions, including flexion, extension, abduction, adduction, rotation, and circumduction.
C. Knee is incorrect. The knee is a hinge joint, allowing for flexion and extension but not the wide range of motion that a ball and socket joint offers.
D. Metacarpophalangeal is incorrect. The metacarpophalangeal joints (knuckles) are condyloid joints, which allow for movement in two planes but not the full rotational movement of a ball and socket joint.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Oranges is incorrect. Oranges are not a choking hazard as long as they are peeled and cut into small pieces for a toddler. The nurse should not include oranges in a list of choking hazards for toddlers.
B. Potatoes is incorrect. Potatoes themselves are not a choking hazard for toddlers, though whole or large pieces could pose a risk. The risk comes from how the food is prepared, not the food itself. If properly cooked and mashed or cut into small pieces, potatoes are safe.
C. Grapes is correct. Grapes are a common choking hazard for toddlers because they are small, round, and can easily block the airway if not properly cut into small pieces. The nurse should definitely include grapes in the pamphlet as a choking hazard.
D. Corn is incorrect. Corn kernels are not typically a choking hazard for toddlers unless they are served as whole kernels, which could pose a risk if not chewed properly. However, corn in the form of pureed corn or small pieces is safe for toddlers to eat.
Correct Answer is D
Explanation
A. Telling the AP to list the steps of the task is not sufficient to ensure correct performance. It may show knowledge of the steps, but it does not ensure the AP is performing the task correctly or safely.
B. Instructing the AP to report back once the task is complete does not allow the nurse to actively observe the AP’s technique or provide feedback on performance.
C. Asking the family if the AP performed the task correctly may provide subjective input, but the nurse is responsible for assessing and ensuring the proper completion of nursing tasks.
D. Requesting the AP to provide a return demonstration of the task is the best method. This allows the nurse to directly observe the AP’s technique, correct any errors, and ensure that the task is performed according to the prescribed standards. This also serves as a valuable teaching opportunity.
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